malaria

Malaria

Overview What is malaria? Malaria is a serious disease that spreads when you’re bitten by a mosquito infected by tiny parasites. When it bites, the mosquito injects malaria parasites into your bloodstream. Malaria is caused by the parasites, not by a virus or by a type of bacterium. If it isn’t treated, malaria can cause […]

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HIV & AIDS

HIV & AIDS

Overview What is HIV? HIV stands for human immunodeficiency virus. HIV infects and destroys cells of your immune system, making it hard to fight off other diseases. When HIV has severely weakened your immune system, it can lead to acquired immunodeficiency syndrome (AIDS). Because HIV works backward to insert its instructions into your DNA, it […]

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Dengue

Dengue

Overview Dengue (DENG-gey) fever is a mosquito-borne illness that occurs in tropical and subtropical areas of the world. Mild dengue fever causes a high fever and flu-like symptoms. The severe form of dengue fever, also called dengue hemorrhagic fever, can cause serious bleeding, a sudden drop in blood pressure (shock) and death. Millions of cases […]

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oral ca

oral ca

Oral Cancer Oral cancer (mouth cancer) is the most common form of head and neck cancer. It typically affects people age 60 and older. Oral cancer affects your lips and the first parts of your tongue, mouth roof and floor. It also affects your oropharynx — the last part of your tongue and roof of […]

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lung ca

lung ca

Everything you need to know about lung cancer Lung cancer occurs when cells in the lungs divide uncontrollably, causing tumors to grow. Anyone can develop lung cancer, but cigarette smoking and exposure to smoke, inhaled chemicals, or other toxins can increase the risk. Lung cancer can be life threatening, but effective diagnoses and treatments, including […]

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breast ca

breast ca

Breast Cancer Breast cancer is the common term for a set of breast tumor subtypes with distinct molecular and cellular origins and clinical behavior. Most of these are epithelial tumors of ductal or lobular origin (see the image below). Worldwide, breast cancer is the most frequently diagnosed life-threatening cancer in women and the leading cause […]

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